/*
* INSANE - Interactive Structural Analysis Environment
*
* Copyright (C) 2003-2005
* Universidade Federal de Minas Gerais
* Escola de Engenharia
* Departamento de Engenharia de Estruturas
* 
* Author's email :    insane@dees.ufmg.br
* Author's website :  http://www.dees.ufmg.br/insane
* 
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or any later version.
* 
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
* 
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/
package br.ufmg.dees.insane.ui.rich.prep.view.command;

import java.awt.Cursor;

import br.ufmg.dees.insane.commons.command.Command;
import br.ufmg.dees.insane.ui.rich.prep.view.DesktopPrep;
import br.ufmg.dees.insane.ui.rich.prep.view.InterfacePrep;

/** The redraw command.
 *
 * @author Ferreira, Reginaldo & Fonseca, Flavio & Pitangueira, Roque
 * @since January 2004
 */
public class CancelCommand implements Command {
	
    private InterfacePrep intFrame;
    private DesktopPrep desktop;
    
//*****************************************************************************
	
    /** Cancel all commands and sets the cursor to the selection mode. */
    public CancelCommand(InterfacePrep parent)
    {
    	this.intFrame = parent;
    	this.desktop = intFrame.getDesktopFrame();
    }
    
//*****************************************************************************
	
	/** The execute method. */
    public void execute()
    {
    	Command repeatCmd = null;
    	Command lastCmd = desktop.getLastCommand();
    	
    	if (lastCmd instanceof AddLineMouseCommand)
    		repeatCmd = new LineCommand(desktop, intFrame);
    	
    	if (lastCmd instanceof AddPointMouseCommand)
    		repeatCmd = new PointCommand(desktop, intFrame);
    	    
        intFrame.getView().getController().compose();
		intFrame.getView().getDrawingArea().removeAllCommands();
		intFrame.getView().getDrawingArea().setClickedCommand(new SelectCommand(intFrame));
		intFrame.getView().getDrawingArea().setRightClickedCommand(repeatCmd);
		intFrame.getView().getDrawingArea().repaint();
    	intFrame.getView().getDrawingArea().setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
		intFrame.getController().getSelection().clear();
		desktop.getDesktopTextArea().addText("\nCANCEL  [ left button = Select  /  rigth button = Repeat ].");
	}
	
//*****************************************************************************
	
	/** Impossible to redo - Not implemented */
    public void redo() {
    }
    
//*****************************************************************************
	
	/** Impossible to undo - Not implemented */
    public void undo() {
    }
    
//  ****************************************************************************    
    
    
}

